A philosophy professor wants to find out whether the mean age of the men in his large lecture class is equal to the mean age of the women in his class. In other words, the professor tested the...


A philosophy professor wants to find out whether the mean age of the men in his large lecture class is equal to the mean age of the women in his class. In other words, the professor tested the hypothesis H0 against the alternative Ha:

H0: μM = μW

HA: μM > μW




at the 5% level.


After collecting data from his students, he finds the P-value for the test was 0.003.


Which is the right conclusion for this test?




A. There is not sufficient statistical evidence that the mean age for the men is equal to the mean age for the women.

B. There is sufficient statistical evidence that the mean age for the men is equal to the mean age for the women.

C. There is not sufficient statistical evidence that the mean age for the men is greater than the mean age for the women.

D. There is sufficient statistical evidence that the mean age for the men is greater than the mean age for the women.


Jun 08, 2022
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